diff --git a/src/material-experimental/mdc-core/option/optgroup.scss b/src/material-experimental/mdc-core/option/optgroup.scss
index 07f06d5d1437..6cbaf4319499 100644
--- a/src/material-experimental/mdc-core/option/optgroup.scss
+++ b/src/material-experimental/mdc-core/option/optgroup.scss
@@ -19,4 +19,10 @@
     // we can't use directly, because it comes with some selectors.
     opacity: mdc-list-variables.$content-disabled-opacity;
   }
+
+  // Needs to be overwritten explicitly, because the style can
+  // leak in from the list and cause the text to truncate.
+  .mdc-list-item__primary-text {
+    white-space: normal;
+  }
 }
diff --git a/src/material-experimental/mdc-core/option/option.scss b/src/material-experimental/mdc-core/option/option.scss
index 1bc60642aa46..cedca159fef5 100644
--- a/src/material-experimental/mdc-core/option/option.scss
+++ b/src/material-experimental/mdc-core/option/option.scss
@@ -65,6 +65,12 @@
     // Pointer events can be safely disabled because the ripple trigger element is the host element.
     pointer-events: none;
   }
+
+    // Needs to be overwritten explicitly, because the style can
+  // leak in from the list and cause the text to truncate.
+  .mdc-list-item__primary-text {
+    white-space: normal;
+  }
 }
 
 .mat-mdc-option-active {
diff --git a/src/material-experimental/mdc-menu/menu.scss b/src/material-experimental/mdc-menu/menu.scss
index bd66d56e7354..6bbdd19d40d3 100644
--- a/src/material-experimental/mdc-menu/menu.scss
+++ b/src/material-experimental/mdc-menu/menu.scss
@@ -78,6 +78,12 @@ mat-menu {
     }
   }
 
+  // Needs to be overwritten explicitly, because the style can
+  // leak in from the list and cause the text to truncate.
+  .mdc-list-item__primary-text {
+    white-space: normal;
+  }
+
   @include a11y.high-contrast(active, off) {
     $outline-width: 1px;